197375616 has 80 divisors (see below), whose sum is σ = 587417490. Its totient is φ = 65788416.

The previous prime is 197375611. The next prime is 197375621. The reversal of 197375616 is 616573791.

197375616 is a `hidden beast` number, since 19 + 73 + 7 + 561 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (197375611) and next prime (197375621).

It can be written as a sum of positive squares in only one way, i.e., 197121600 + 254016 = 14040^2 + 504^2 .

It is not an unprimeable number, because it can be changed into a prime (197375611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 850 + ... + 19886.

Almost surely, 2^197375616 is an apocalyptic number.

197375616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 197375616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (293708745).

197375616 is an abundant number, since it is smaller than the sum of its proper divisors (390041874).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

197375616 is an equidigital number, since it uses as much as digits as its factorization.

197375616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19063 (or 19042 counting only the distinct ones).

The product of its digits is 238140, while the sum is 45.

The square root of 197375616 is about 14049.0432414453. The cubic root of 197375616 is about 582.2343619851.

The spelling of 197375616 in words is "one hundred ninety-seven million, three hundred seventy-five thousand, six hundred sixteen".